Mercury Marine – Motorola Engine Control Unit Repair

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From January 1st, 2026, we will be strictly Trade Only for New Zealand Info here

Price Exclusive of GST

Our minimum assessment fee is $150 + GST (Excluding Headlights) this just covers the time to check the unit over. If you go ahead with the repair, we’ll put this towards the total cost. Our full terms of trade is the link can be found here

International Customers:
When sending a unit from overseas, please declare it as “Repair and Return” with a low customs value (around $100 USD) to avoid unnecessary import fees. - All Repair Prices are quoted in NZD



Mercury Marine – Motorola Engine Control Unit Repair

This is a repair service for Motorola-manufactured Engine Control Units (ECUs) used in Mercury Marine engines.

Common part numbers include, but are not limited to:

  • 000 DFI 859610

  • PCMBE0101

  • 150 DFI ECM 99MY

  • PO81770602

Common issues we repair:

  • No spark / engine won’t start

  • Dead or unresponsive ECU

  • Internal power supply or ignition driver faults

We provide full diagnostic testing and component-level repair to restore reliable ignition and engine management functionality.

Questions about this repair?

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